How do you sign out of Yahoo Mail on iPhone?
In order to sign out of Yahoo mail on iPhone, simply follow the below-mentioned steps:
At the initial stage, you need to tap the "Settings" application icon on the iPhone for launching the app.
After that you need to tap the "Mail, Contacts, Calendars" button from your computer system keyboard.
Lastly, you need to tap the button to the email account which you have decided to log out of.
If you have any question or confusing while following the steps, Just dial a yahoo toll-free phone number from your phone.